/Engine/Plugins/Experimental/Water/Source/Runtime/Public/WaterBodyRiverComponent.h
Retrieves the list of primitive components that this water body uses when not being rendered by the water mesh (e.g. the static mesh component used when WaterMeshOverride is specified)
virtual [TArray](API\Runtime\Core\Containers\TArray)< [UPrimitiveComponent](API\Runtime\Engine\Components\UPrimitiveComponent) * > GetStandardRenderableComponents() const